Finding the Third Proportional to 2,021,818 and 4,397,908

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021,818 : 4,397,908 = 4,397,908 : x
2. Step 2: Convert to fraction form
   2,021,818/4,397,908 = 4,397,908/x
3. Step 3: Cross multiply
   2,021,818x = 4,397,908 × 4,397,908
4. Step 4: Simplify right side
   2,021,818x = 19,341,594,776,464
5. Step 5: Solve for x
   x = 19,341,594,776,464/2,021,818
6. Step 6: Final answer
   x = 9,566,437.13